Displaying publications 1 - 20 of 44 in total

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  1. Alex D, Fauzi AB, Mohan D
    Front Public Health, 2020;8:612154.
    PMID: 33520920 DOI: 10.3389/fpubh.2020.612154
    Introduction: With a rapidly aging population, the Malaysian health care system needs to develop solutions to address the lack of resources that are required for the assessment of the older person. The complex nature of geriatric syndromes coupled with the occurrence of multiple comorbid illnesses with aging, make geriatric assessment a resource intensive process. Digital health solutions could play an important role in supporting existing health care systems, especially in low and middle income countries, with limited speciality services in geriatrics. Objective: This is a pilot study aimed at screening for geriatric syndromes through self-administered online surveys in urban community dwelling older Malaysians and assessing the pattern of geriatric syndromes in relation to the frailty status of the study participants. Methods: This is a cross-sectional pilot study conducted between July-September 2020. Community dwelling adults aged 60 years and over were invited to take part in an online survey. Information on sociodemographic variables, comorbidities, and the self-reported results of geriatric syndromes (frailty, sarcopenia, anorexia of aging, urinary incontinence, falls, and cognitive impairment), were collected through the survey. Results: Data was collected for 162 participants over a period of 2 months. The mean (SD) age of the respondents was 66.42 (5.25) years with 64.9% females. Majority of the respondents were of Chinese ethnic origin (67.9%) and had tertiary level of education (75.9%). The average time taken by participants to complete the survey was 16.86 min. Urinary incontinence was the highest reported geriatric syndrome (55.1%) followed by falls (37.6%), anorexia of aging (32.8%), cognitive impairment (27.8%), and sarcopenia (8.3%). Frailty was detected in 4.5% of the study population. Loss of weight in the previous year was the highest reported component of the frailty assessment tool. The presence of sarcopenia, anorexia of aging, poor/fair self-rated health, urinary incontinence, and multimorbidity were significantly higher in older adults who were frail or prefrail. Conclusion: Screening for geriatric syndromes through online surveys is a feasible approach to identify older adults in the community who are likely to benefit from geriatric assessment. However, the demographic profile of the older population that are accessible through such digital platforms is limited.
  2. Cheong WL, Mohan D, Warren N, Reidpath DD
    J Palliat Med, 2019 May;22(5):545-552.
    PMID: 30570416 DOI: 10.1089/jpm.2018.0447
    Background:
    The state of palliative care research is closely linked to the development of palliative care services in a country or region.
    Objective:
    To systematically review the current state of palliative care research in the Asia Pacific region and analyze its relationship with the performance of each country in the region on the Economist Intelligence Unit's 2015 Quality of Death Index.
    Design:
    Systematic review and bibliographic analysis in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analysis Protocol 2015 (PRISMA-P).
    Data Sources:
    The PubMed/MEDLINE, EMBASE, SCOPUS, CINAHL, and PsychiNFO databases were searched on February 4, 2018.
    Results:
    One thousand six hundred sixty-seven articles were reviewed. Eighteen out of 32 countries in the region published research. Around 74.15% (1236) of the articles were produced by high-income countries. Research output (articles per 1 m population) was closely linked to country performance on the Economist Intelligence Unit's 2015 Quality of Death Index (adjusted R2= 0.85). Palliative care research in the region is overwhelmingly focused on cancer (80.13% of articles reviewed). The most common themes of research were "palliative care service (24.45%)" and "clinical" (15.38%).
    Conclusions:
    Palliative care research in the region is growing but remains largely centered on the high-income countries, with many low- and middle-income countries having little published research output. Much work is required to drive research in these countries to generate the evidence required for the development of palliative care services. The emphasis on cancer in research also indicates that the needs of patients suffering from noncancer-related diseases may be neglected.
  3. Cheong WL, Mohan D, Warren N, Reidpath DD
    Mult Scler Relat Disord, 2019 Oct;35:86-91.
    PMID: 31357123 DOI: 10.1016/j.msard.2019.07.009
    BACKGROUND: Despite the global consensus on the importance of palliative care for patients with multiple sclerosis (MS), many patients in developing countries do not receive palliative care. Improving access to palliative care for MS requires a contextual understanding of how palliative care is perceived by patients and health professionals, the existing care pathways, and barriers to the provision of palliative care.

    OBJECTIVE: This study aims to examine and contrast the perceptions of MS patients, neurologists, and palliative care physicians towards providing palliative care for patients with MS in Malaysia.

    METHODS: 12 MS patients, 5 neurologists, and 5 palliative care physicians participated in this qualitative study. Each participant took part in a semi-structured interview. The interviews were transcribed verbatim, and analysed using an iterative thematic analysis approach.

    RESULTS: Patients and neurologists mostly associated palliative care with the end-of-life and struggled to understand the need for palliative care in MS. Another barrier was the lack of understanding about the palliative care needs of MS patients. Palliative care physicians also identified the scarcity of resources and their lack of experience with MS as barriers. The current referral-based care pathway itself was found to be a barrier to the provision of palliative care.

    CONCLUSIONS: MS patients in Malaysia face several barriers in accessing palliative care. Overcoming these barriers will require improving the shared understanding of palliative care and its role in MS. The existing care pathway also needs to be reformed to ensure that it improves access to palliative care for MS patients.

  4. Ibrahim F, Mohan D, Sajab MS, Bakarudin SB, Kaco H
    Polymers (Basel), 2019 Sep 23;11(10).
    PMID: 31547544 DOI: 10.3390/polym11101544
    In this study, lignin has been extracted from oil palm empty fruit bunch (EFB) fibers via an organosolv process. The organosolv lignin obtained was defined by the presence of hydroxyl-containing molecules, such as guaiacyl and syringyl, and by the presence of phenolic molecules in lignin. Subsequently, the extracted organosolv lignin and graphene nanoplatelets (GNP) were utilized as filler and reinforcement in photo-curable polyurethane (PU), which is used in stereolithography 3D printing. The compatibility as well as the characteristic and structural changes of the composite were identified through the mechanical properties of the 3D-printed composites. Furthermore, the tensile strength of the composited lignin and graphene shows significant improvement as high as 27%. The hardness of the photo-curable PU composites measured by nanoindentation exhibited an enormous improvement for 0.6% of lignin-graphene at 92.49 MPa with 238% increment when compared with unmodified PU.
  5. Cheong WL, Mohan D, Warren N, Reidpath DD
    Disabil Rehabil, 2021 07;43(15):2184-2190.
    PMID: 31769306 DOI: 10.1080/09638288.2019.1695000
    BACKGROUND: The needs of patients with multiple sclerosis have been well-studied in high-income, high-prevalence countries but few studies have been based in low- and middle-income countries where resources are relatively scarce. As such, little is known about the needs of patients living in these countries.

    OBJECTIVE: The study seeks to develop an understanding of the needs of patients with multiple sclerosis living in Malaysia in order to generate insights and contribute to a global database of patients' experience.

    METHOD: 12 patients with multiple sclerosis participated in this qualitative study and took part in a semi-structured interview. The interviews were transcribed and analysed using an iterative thematic analysis approach.

    RESULTS: The experiences, challenges and needs of the patients were reported. Five themes were developed (Daily living, Financial, Emotional and psychological, Healthcare, and Family). These predominantly revolved around the struggles of coping and adapting to the symptoms and disabilities imposed by multiple sclerosis, their heavy reliance on personal finances to cope with the increased costs of living for themselves and their families, as well as the limited healthcare services and treatments available to help them to manage the physical and emotional symptoms of multiple sclerosis.

    CONCLUSION: Patients with multiple sclerosis in Malaysia have complex needs that are neglected due perceived lack of importance of the disease and the poor understanding of multiple sclerosis in general. Patients rely heavily on their finances to improve their quality of life. This perpetuates health inequities and reform of the national health financing system is needed to provide patients with the healthcare and support they need.Implications for rehabilitationPatients with multiple sclerosis in Malaysia prioritize being able to cope and adapt to their disabilities in order to continue performing their activities of daily living.There is a need to increase the availability and accessibility of healthcare professionals that are experienced with the management of multiple sclerosis.Healthcare professionals need to improve their understanding of the patients' needs and what they consider to be important in order to provide therapy that is effective and relevant.Patients also require financial support to help them with the increased costs of living associated with MS as well as the costs of healthcare services such as physiotherapy and rehabilitation.

  6. Reidpath DD, Jahan NK, Mohan D, Allotey P
    Glob Health Action, 2016;9:31691.
    PMID: 27511810 DOI: 10.3402/gha.v9.31691
    BACKGROUND: The term HbA1c (glycated haemoglobin) is commonly used in relation to diabetes mellitus. The measure gives an indication of the average blood sugar levels over a period of weeks or months prior to testing. For most low- and middle-income countries HbA1c measurement in community surveillance is prohibitively expensive. A question arises about the possibility of using a single blood glucose measure for estimating HbA1c and therefore identifying poor glycaemic control in resource-poor settings.

    DESIGN: Using data from the 2011-2012 US National Health and Nutrition Examination Surveys, we examined the relationship between HbA1c and a single fasting measure of blood glucose in a non-clinical population of people with known diabetes (n=333). A linear equation for estimating HbA1c from blood glucose was developed. Appropriate blood glucose cut-off values were set for poor glycaemic control (HbA1c≥69.4 mmol/mol).

    RESULTS: The HbA1c and blood glucose measures were well correlated (r=0.7). Three blood glucose cut-off values were considered for classifying poor glycaemic control: 8.0, 8.9, and 11.4 mmol/L. A blood glucose of 11.4 had a specificity of 1, but poor sensitivity (0.37); 8.9 had high specificity (0.94) and moderate sensitivity (0.7); 8.0 was associated with good specificity (0.81) and sensitivity (0.75).

    CONCLUSIONS: Where HbA1c measurement is too expensive for community surveillance, a single blood glucose measure may be a reasonable alternative. Generalising the specific results from these US data to low resource settings may not be appropriate, but the general approach is worthy of further investigation.

  7. Mohan D, Iype T, Varghese S, Usha A, Mohan M
    BMJ Open, 2019 03 20;9(3):e025473.
    PMID: 30898818 DOI: 10.1136/bmjopen-2018-025473
    OBJECTIVES: To assess the prevalence and factors associated with mild cognitive impairment (MCI) among older adults in an urban area of South India.

    SETTING: The study was conducted in the capital city of Thiruvananthapuram in the South Indian state of Kerala.

    PARTICIPANTS: The study participants were community-dwelling individuals aged 60 years and above.

    PRIMARY OUTCOME MEASURE: MCI was the primary outcome measure and was defined using the criteria by European Alzheimer's Disease Consortium. Cognitive assessment was done using the Malayalam version of Addenbrooke's Cognitive Examination tool. Data were also collected on sociodemographic variables, self-reported comorbidities like hypertension and diabetes, lifestyle factors, depression, anxiety and activities of daily living.

    RESULTS: The prevalence of MCI was found to be 26.06% (95% CI of 22.12 to 30.43). History of imbalance on walking (adjusted OR 2.75; 95 % CI of 1.46 to 5.17), presence of depression (adjusted OR 2.17, 95 % CI of 1.21 to 3.89), anxiety (adjusted OR 2.22; 95 % CI of 1.21 to 4.05) and alcohol use (adjusted OR 1.99; 95 % CI of 1.02 to 3.86) were positively associated with MCI while leisure activities at home (adjusted OR 0.33; 95 % CI of 0.11 to 0.95) were negatively associated.

    CONCLUSION: The prevalence of MCI is high in Kerala. It is important that the health system and the government take up urgent measures to tackle this emerging public health issue.

  8. Omran S, Leong SL, Blebil A, Mohan D, Teoh SL
    Res Social Adm Pharm, 2023 Nov;19(11):1399-1411.
    PMID: 37586945 DOI: 10.1016/j.sapharm.2023.07.012
    BACKGROUND: The field of pharmacogenomics is rapidly advancing, but its adoption and implementation remain slow and lacking. Lack of pharmacogenomics knowledge among healthcare professionals is the most frequently cited barrier to adopting and implementing pharmacogenomics in clinical settings.

    OBJECTIVES: This study aimed to critically evaluate and determine the effectiveness of educational interventions in improving pharmacogenomics knowledge and practice.

    METHODS: Four electronic databases were searched: MEDLINE, EMBASE, CENTRAL, and PsycINFO. Studies on pharmacogenomics educational interventions for health care professionals and students with pre- and post-intervention assessments and results were included. No restrictions were placed on time, language, or educational contexts. The educational outcomes measured include both objective and subjective outcomes. The pharmacogenomics competency domains used to judge educational interventions are based on the competency domains listed by the American Association of Colleges of Pharmacies (AACP). The National Heart, Lung, and Blood Institute of the National Institutes of Health was used for the quality assessment of pre-post studies with no control group and the controlled intervention studies. No meta-analysis was conducted; the data were synthesized qualitatively. The systematic review was reported in accordance with the PRISMA statement.

    RESULTS: Fifty studies were included in this review. All included studies integrated the AACP pharmacogenomics competency domains into their educational interventions. Most of the studies had educational interventions that integrated clinical cases (n = 44; 88%). Knowledge was the most frequently evaluated outcome (n = 34; 68%) and demonstrated significant improvement after the educational intervention that integrated AACP pharmacogenomics competency domains and employed active learning with clinical case inclusion.

    CONCLUSION: This review provided evidence of the effectiveness of educational interventions in improving pharmacogenomics knowledge and practice. Incorporating pharmacogenomics competency domains into education and training, with patient cases for healthcare professionals and students, dramatically improved their pharmacogenomics knowledge, attitudes, and confidence in practice.

  9. Radhakrishnan PJ, Raghunath SP, Mohan D, Rajan R, Iype T
    Ann Indian Acad Neurol, 2023;26(1):44-53.
    PMID: 37034046 DOI: 10.4103/aian.aian_695_22
    BACKGROUND: Many neuropsychological tests are primarily developed in high-income countries, and normative data are not readily available for low- and middle-income countries (LMICs). We need culturally appropriate cognitive screening tests for India.

    OBJECTIVE: Hence, we decided to translate the Hindi cognitive screening test battery (HCSTB) tool to Malayalam and establish the age and education-stratified norms for a Malayalam cognitive screening test battery (MCSTB).

    MATERIAL AND METHODS: HCSTB was translated to Malayalam, back-translated by bilinguals conversant in Malayalam and English, and pretested on 30 older normal adults. Using a multistage sampling technique, we conducted a descriptive cross-sectional survey in the Thiruvananthapuram district of Kerala, India. We approached older adults aged ≥60 years for informed and written consent. We excluded subjects with depression, functional impairment, cognitive impairment, history of stroke, psychosis, and visual/hearing loss that impaired cognitive assessment.

    RESULTS: The normative data were derived from 441 older adults: 226 (51%) from rural areas and 215 (49%) from urban areas. Age and education affected the cognitive scores. The time to administer MCSTB among normal adults was approximately 17 minutes.

    DISCUSSION AND CONCLUSION: The derived normative data showed lower values than the published literature. A limitation of our study was the small number of older people with ≥12 years of education and the lack of neuroimaging of the subjects.

  10. Cheong WL, Mohan D, Warren N, Reidpath DD
    Front Neurol, 2018;9:432.
    PMID: 29937752 DOI: 10.3389/fneur.2018.00432
    Background: Multiple sclerosis is thought to be relatively uncommon in the Asia Pacific region with prevalence estimated between 0 and 20 per 100,000. There is reason to doubt these estimates due to the lack of data from many countries and the growing evidence of variability in prevalence across small geographic areas. This study was conducted to systematically review the population prevalence, incidence, mortality and disability progression estimates of MS within the Asia Pacific region. Methods: The systematic review was conducted on articles from 1985 till 31st July 2017 within the PubMed/MEDLINE, EMBASE, SCOPUS, and The Cochrane Library databases. The review included articles that were population-based studies conducted on patients with MS in the Asia Pacific region that reported either incidence, prevalence, mortality, or disease progression. Hospital-based studies and non-research articles were excluded to ensure that only information representative of the population was included for analysis. Data appraisal and extraction was done by independent reviewers. This review was registered with PROSPERO (ID: CRD42017082760). Findings: Of the 2,757 articles found, 16 studies were included. Information on 6 (18.75%) of 32 Asia Pacific countries was found, with data representing 8% of the total population. Prevalence estimates were available for 6 countries while estimates for incidence (3 countries), mortality (4 countries), and disease progression (2 countries) were limited. Interpretation: The lack of epidemiological data available in the Asia Pacific region creates a blind spot in the surveillance of MS which obscures the true burden of MS, causing patients to struggle to receive the resources and funding that they need.
  11. Sajab MS, Mohan D, Santanaraj J, Chia CH, Kaco H, Harun S, et al.
    Sci Rep, 2019 08 12;9(1):11703.
    PMID: 31406228 DOI: 10.1038/s41598-019-48274-2
    The recognition of cellulose nanofibrils (CNF) in the past years as a high prospect material has been prominent, but the impractical cellulose extraction method from biomass remained as a technological barrier for industrial practice. In this study, the telescopic approach on the fractionation of lignin and cellulose was performed by organosolv extraction and catalytic oxidation from oil palm empty fruit bunch fibers. The integration of these techniques managed to synthesize CNF in a short time. Aside from the size, the zeta potential of CNF was measured at -41.9 mV, which allow higher stability of the cellulose in water suspension. The stability of CNF facilitated a better dispersion of Fe(0) nanoparticles with the average diameter size of 52.3-73.24 nm through the formulation of CNF/Fe(0). The total uptake capacity of CNF towards 5-fluorouracil was calculated at 0.123 mg/g. While the synergistic reactions of adsorption-oxidation were significantly improved the removal efficacy three to four times greater even at a high concentration of 5-fluorouracil. Alternatively, the sludge generation after the oxidation reaction was completely managed by the encapsulation of Fe(0) nanoparticles in regenerated cellulose.
  12. Kongpakwattana K, Dejthevaporn C, Krairit O, Dilokthornsakul P, Mohan D, Chaiyakunapruk N
    Value Health, 2019 10;22(10):1137-1145.
    PMID: 31563256 DOI: 10.1016/j.jval.2019.04.1937
    BACKGROUND: Although an increase in the burden of Alzheimer's disease (AD) is evident worldwide, knowledge of costs and health-related quality of life (HRQOL) associated with AD in low- and middle-income countries is still lacking.

    OBJECTIVES: This study aimed to collect real-world cost and HRQOL data, and investigate their associations with multiple disease-severity indicators among AD patients in Thailand.

    METHODS: We recruited AD patients aged ≥60 years accompanied by their caregivers at a university-affiliated tertiary hospital. A one-time structured interview was conducted to collect disease-severity indicators, HRQOL, and caregiving information using standardized tools. The hospital's database was used to retrieve healthcare resource utilization occurred over 6 months preceding the interview date. Costs were annualized and stratified based on cognitive status. Generalized linear models were employed to evaluate determinants of costs and HRQOL.

    RESULTS: Among 148 community-dwelling patients, average annual total societal costs of AD care were $8014 (95% confidence interval [CI]: $7295-$8844) per patient. Total costs of patients with severe stage ($9860; 95% CI: $8785-$11 328) were almost twice as high as those of mild stage ($5524; 95% CI: $4649-$6593). The major cost driver was direct medical costs, particularly those incurred by AD prescriptions. Functional status was the strongest determinant for both total costs and patient's HRQOL (P value

  13. Mohan D, Teong ZK, Sajab MS, Kamarudin NHN, Kaco H
    Polymers (Basel), 2021 Jun 08;13(12).
    PMID: 34201366 DOI: 10.3390/polym13121912
    The tendency to use cellulose fibrils for direct ink writing (DIW) of three-dimensional (3D) printing has been growing extensively due to their advantageous mechanical properties. However, retaining cellulose in its fibrillated forms after the printing process has always been a challenge. In this study, cellulose macrofibrils (CMFs) from oil palm empty fruit bunch (OPEFB) fibers were partially dissolved for consistent viscosity needed for DIW 3D printing. The printed CMF structure obtained from optimized printing profiles (volumetric flow rate, Qv = 9.58 mm/s; print speed, v = 20 mm/s), exhibited excellent mechanical properties (tensile strength of 66 MPa, Young's modulus of 2.16 GPa, and elongation of 8.76%). The remarkable structural and morphological effects of the intact cellulose fibrils show a homogeneous distribution with synthesized precipitated calcium carbonate (CaCO3) nanoparticles. The shear-aligned CMF/CaCO3 printed composite exhibited a sustained therapeutic drug release profile that can reduce rapid release that has adverse effects on healthy cells. In comparison with the initial burst release of 5-fluorouracil (5-FU) by CaCO3, the controlled release of 5-fluorouracil can be varied (48 to 75%) with the composition of CMF/CaCO3 allowing efficient release over time.
  14. Mohan D, Stephan BC, Allotey P, Jagger C, Pearce M, Siervo M, et al.
    BMJ Open, 2017 01 19;7(1):e013635.
    PMID: 28104710 DOI: 10.1136/bmjopen-2016-013635
    INTRODUCTION: There is a growing proportion of population aged 65 years and older in low-income and middle-income countries. In Malaysia, this proportion is predicted to increase from 5.1% in 2010 to more than 15.4% by 2050. Cognitive ageing and dementia are global health priorities. However, risk factors and disease associations in a multiethnic, middle-income country like Malaysia may not be consistent with those reported in other world regions. Knowing the burden of cognitive impairment and its risk factors in Malaysia is necessary for the development of management strategies and would provide valuable information for other transitional economies.

    METHODS AND ANALYSIS: This is a community-based feasibility study focused on the assessment of cognition, embedded in the longitudinal study of health and demographic surveillance site of the South East Asia Community Observatory (SEACO), in Malaysia. In total, 200 adults aged ≥50 years are selected for an in-depth health and cognitive assessment including the Mini Mental State Examination, the Montreal Cognitive Assessment, blood pressure, anthropometry, gait speed, hand grip strength, Depression Anxiety Stress Score and dried blood spots.

    DISCUSSION AND CONCLUSIONS: The results will inform the feasibility, response rates and operational challenges for establishing an ageing study focused on cognitive function in similar middle-income country settings. Knowing the burden of cognitive impairment and dementia and risk factors for disease will inform local health priorities and management, and place these within the context of increasing life expectancy.

    ETHICS AND DISSEMINATION: The study protocol is approved by the Monash University Human Research Ethics Committee. Informed consent is obtained from all the participants. The project's analysed data and findings will be made available through publications and conference presentations and a data sharing archive. Reports on key findings will be made available as community briefs on the SEACO website.

  15. Mohan D, Sajab MS, Kaco H, Bakarudin SB, Noor AM
    Nanomaterials (Basel), 2019 Dec 03;9(12).
    PMID: 31817002 DOI: 10.3390/nano9121726
    The recognition of nanocellulose has been prominent in recent years as prospect materials, yet the ineffectiveness of nanocellulose to disperse in an organic solvent has restricted its utilization, especially as a reinforcement in polymer nanocomposite. In this study, cellulose has been isolated and defibrillated as cellulose nanofibrils (CNF) from oil palm empty fruit bunch (EFB) fibers. Subsequently, to enhance its compatibility with UV-curable polyurethane (PU)-based resin, the surface hydrophilicity of CNF has been tailored with polyethylene glycol (PEG), as well as reduced graphene oxide (rGO). The dispersibility of reinforced modified CNF in UV-curable PU was examined through the transmittance interruption of resin, chemical, and mechanical properties of the composite printed using the stereolithographic technique. Evidently, the enhanced compatibility of modified CNF and UV-curable PU was shown to improve the tensile strength and hardness of the composites by 37% and 129%, respectively.
  16. Yap KH, Mohan D, Stephan BCM, Warren N, Allotey P, Reidpath DD
    J Aging Res, 2019;2019:9151802.
    PMID: 31093373 DOI: 10.1155/2019/9151802
    Subjective memory complaints (SMCs) and social capital were known to be related to self-rated health (SRH). Despite this, no studies have examined the potential interaction of SMC and social capital on SRH. Using data from a cross-sectional health survey of men and women aged 56 years and above (n = 6,421), we examined how SMCs and social capital explained SRH in a population of community-dwelling older adults in a semirural area in Malaysia. We also evaluated whether SRH's relationship with SMCs is moderated by social capital. The association of SMC and social capital with poor SRH was investigated using multivariable logistic regression. Social capital (OR = 0.86, 95% CI = 0.82-0.89), mild SMC (OR = 1.70, 95% CI = 1.50-1.94), and moderate SMC (OR = 1.90, 95% CI = 1.63-2.20) were found to be associated with poor SRH after adjustment for sociodemographic factors and depression in the initial regression model. SMC was found to have partial interaction effects with social capital which was included in the subsequent regression model. Unlike individuals with no SMC and mild SMC, those who reported moderate SMC did not show decreasing probabilities of poor SRH despite increasing levels of social capital. Nevertheless, this analysis suggests that social capital and SMC are independent predictors of poor SRH. Further research needs to be targeted at improving the understanding on how social capital and SMC moderate and interact with the perception of health in older adults.
  17. Mohan D, Khairullah NF, How YP, Sajab MS, Kaco H
    Polymers (Basel), 2020 Apr 23;12(4).
    PMID: 32340327 DOI: 10.3390/polym12040986
    Drug delivery constitutes the formulations, technologies, and systems for the transport of pharmaceutical compounds to specific areas in the body to exert safe therapeutic effects. The main criteria for selecting the correct medium for drug delivery are the quantity of the drug being carried and the amount of time required to release the drug. Hence, this research aimed to improve the aforementioned criteria by synthesizing a medium based on calcium carbonate-nanocellulose composite and evaluating its efficiency as a medium for drug delivery. Specifically, the efficiency was assessed in terms of the rates of uptake and release of 5-fluorouracil. Through the evaluation of the morphological and chemical properties of the synthesized composite, the established 3D printing profiles of nanocellulose and CaCO3 took place following the layer-by-layer films. The 3D printed double laminated CaCO3-nanocellulose managed to release the 5-fluorouracil as an effective single composition and in a time-controlled manner.
  18. Soh YC, Yap KH, McGrattan A, Yasin S, Reidpath D, Siervo M, et al.
    BMJ Open, 2022 Jan 03;12(1):e052175.
    PMID: 34980615 DOI: 10.1136/bmjopen-2021-052175
    INTRODUCTION: Accurate sodium intake estimates in adults with elevated blood pressure are essential for monitoring salt reduction progress and preventing cardiovascular diseases. However, sodium assessments are challenging in this high-risk population because many commonly used antihypertensive drugs alter urinary sodium excretion. Despite the high cost and substantial participant burden of gold-standard 24-hour urine collection, the relative performance of existing spot-urine based equations and dietary self-report instruments have not been well studied in this population, who will benefit from salt restriction. This systematic review aims to describe the current methods of assessing dietary sodium intake in adults with elevated blood pressure and determine what method can provide a valid and accurate estimate of sodium intake compared with the gold standard 24-hour urine collection.

    METHODS AND ANALYSIS: Studies assessing sodium intake in adults aged 18 years and above with reported elevated blood pressure will be included. Five electronic databases (MEDLINE, Embase, Global Health, WoS and Cochrane CENTRAL) will be systematically searched from inception to March 2021. Also, a manual search of bibliographies and grey literature will be conducted. Two reviewers will screen the records independently for eligibility. One reviewer will extract all data, and two others will review the extracted data for accuracy. The methodological quality of included studies will be evaluated based on three scoring systems: (1) National Heart, Lung and Blood Institute for interventional studies; (2) Biomarker-based Cross-sectional Studies for biomarker-based observational studies and (3) European Micronutrient Recommendation Aligned Network of Excellence for validation studies of dietary self-report instruments.

    ETHICS AND DISSEMINATION: As the proposed systematic review will collect and analyse secondary data associated with individuals, there will be no ethical approval requirement. Findings will be disseminated in a peer-reviewed journal or presented at a conference.

    PROSPERO REGISTRATION NUMBER: CRD42020176137.

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